Tire tread



FIG. 1 is a perspective view of a tire tread, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is an enlarged fragmentary side view thereof;

FIG. 4 is an enlarged fragmentary side view thereof, showing the opposite side from that shown FIG. 3; and,

FIG. 5 is an enlarged fragmentary front view thereof.

The broken line showing of the sidewall, inner bead, and the peripheral boundary between the tire tread and the sidewall depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 